Water heater



FIG. 1 is a perspective view of a water heater, in accordance with Embodiment 1 of the present design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a cross sectional view in which the internal mechanism is not shown for the sake of clarity, taken along line 8-8 of FIG. 2 thereof;

FIG. 9 is a cross sectional view in which the internal mechanism is not shown for the sake of clarity, taken along line 9-9 of FIG. 2 thereof;

FIG. 10 is a cross sectional view in which the internal mechanism is not shown for the sake of clarity, taken along line 10-10 of FIG. 2 thereof;

FIG. 11 is a perspective view of a water heater, in accordance with Embodiment 2 of the present design;

FIG. 12 is a front view thereof;

FIG. 13 is a rear view thereof;

FIG. 14 is a top view thereof;

FIG. 15 is a bottom view thereof;

FIG. 16 is a right side view thereof;

FIG. 17 is a left side view thereof;

FIG. 18 is a cross sectional view in which the internal mechanism is not shown for the sake of clarity, taken along line 18-18 of FIG. 12 thereof;

FIG. 19 is a cross sectional view in which the internal mechanism is not shown for the sake of clarity, taken along line 19-19 of FIG. 12 thereof; and,

FIG. 20 is a cross sectional view in which the internal mechanism is not shown for the sake of clarity, taken along line 20-20 of FIG. 12 thereof.

The broken lines shown in the drawings represent portions of the water heater that form no part of the claimed design. 

CLAIM The ornamental design for a water heater, as shown and described. 